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If You're Lucky, Ubuntu 12.04 LTS Can Boot Faster

03-29-2012, 02:30 PM

Phoronix: If You're Lucky, Ubuntu 12.04 LTS Can Boot Faster

Ubuntu 12.04 LTS "Precise Pangolin" can boot faster... sometimes. If you are not lucky, Ubuntu 12.04 LTS can boot more than twice as slow as Ubuntu 10.04, the previous LTS release. Here are boot performance results of Ubuntu 12.04 LTS running on six distinct notebooks and comparing the Bootchart results upon clean installations of Ubuntu Linux going back as far as six years from the days of the Ubuntu 6.06 LTS "Dapper Drake" release.

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It's not that it uses swap during the boot, the problem is that it has to initialize the swap which is what takes the extra time.

The two biggest things to decrease your boot times would be to make swap much smaller, e.g. 256 MB's (or just get rid of it altogether, I myself have noticed no problems removing it) and build all the modules you need into your kernel so you do not need the "initrd" part of booting. With these steps you could cut your boot in half sometimes.

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Not to boot is the fastest way to boot. Suspend works just fine here, having the system up and running in the previous state in less than 2 seconds.
Seriously, who cares about boot times? How often do you boot that it really matters?